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Unexpected enhanced transmission of electromagnetic waves through periodic arrays of electrically small holes or slits in opaque screens has been a hot topic of research during the last ten years. Most of work has been done in the frame of optics and condensed matter physics. At the present moment there is a well established theory explaining this phenomenon in terms of the so-called (spoof) surface...
A circuit model for the accurate description of left handed microstrip lines based on complementary split ring resonators (CSRRs) is proposed in this work. The main relevant contribution is the inclusion of inter-resonator's coupling in the model. From the analysis of several structures, where the shape and distance between adjacent CSRRs differs, it is concluded that electric coupling between CSRRs...
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